Fitment: 2001-2005 GM/Chevy. 6.6L Duramax LLY / LB7.
Bore Diameter: 1.9300"
Degree Marking Range: 1 timing mark
Degree Markings: Engraved
Engine Balance: External
Finish: Black Zinc
Keyway: Single; (5mm)
Length: 2.66"
Material: Steel
Mounting Hardware Included: Yes, washer. Recommend Gator High Strength Bolt Kit p/n HDB66
Outside Diameter: 8-3/8"
Safety Rating: SFI 18.1
Weight / Rotating Weight:26.6 lbs / 17.6 lbs